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Finding the Fourth Proportional to 232.26, 320.32 and 173.94

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Solution

The fourth proportional to 232.26, 320.32 and 173.94 is: 239.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.26 : 320.32 = 173.94 : x
  2. Step 2: Convert to fraction form
    232.26/320.32 = 173.94/x
  3. Step 3: Cross multiply
    232.26x = 320.32 × 173.94
  4. Step 4: Simplify right side
    232.26x = 55,716.46
  5. Step 5: Solve for x
    x = 55,716.46/232.26
  6. Step 6: Final answer
    x = 239.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.